Home / 15,535,753.21-21,448,525.81-13,812,104.73

Finding the Fourth Proportional to 15,535,753.21, 21,448,525.81 and 13,812,104.73

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Solution

The fourth proportional to 15,535,753.21, 21,448,525.81 and 13,812,104.73 is: 19,068,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535,753.21 : 21,448,525.81 = 13,812,104.73 : x
  2. Step 2: Convert to fraction form
    15,535,753.21/21,448,525.81 = 13,812,104.73/x
  3. Step 3: Cross multiply
    15,535,753.21x = 21,448,525.81 × 13,812,104.73
  4. Step 4: Simplify right side
    15,535,753.21x = 296,249,284,791,828.06
  5. Step 5: Solve for x
    x = 296,249,284,791,828.06/15,535,753.21
  6. Step 6: Final answer
    x = 19,068,871.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.